Looking to crush your personal best? This USATF-certified 5K in Tucson, Arizona features a lightning-fast, pancake-flat course that's been helping runners hit their goal times for over 20 years—it's so quick that more than 20 Arizona age records have been set here! Whether you're a seasoned racer or lacing up for your first 5K, you'll find this welcoming event perfect for your speed goals, and there's even a FitKidz Mile option on a flat out-and-back route where you can cheer on the younger runners.